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Signal Too Low. Permanent Fault






Signal too low. Permanent fault

Checking the signal cable








- Ignition off
- Disconnect the front canister purge (CP) valve connector.
Check the cable between the canister purge (CP) valve connector terminal 1 (control module side) and engine control module (ECM) connector terminal 4 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.
Remedy as necessary.













Select Continue.

Continue - Verification

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Verification




- Reconnect the connectors, reinstall components etc.
- Connect VCT 2000.
Activate the canister purge (CP) valve according to Description of activations Description Of Activations.





Does the canister purge (CP) valve click?

Yes - FAULT FOUND

No - No Fault FoundFault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking the signal cable

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